Barite

Barite- BaSO4 usually contains Sr and Ca. The theoretical chemical content BaO 65.7%, SO3 34.3%，Mohs hardness 3-3.5, specific gravity 4.3-4.5g/cm3 .
Characteristics

BaSO4 ≥ 97%

Naturally ultra-white, no acid cleaning

Stable chemical property

Insoluble in water and hydrochloric acid

Non-magnetic and non-toxic

Absorbing X-ray and γ-ray

Technical Specifications
UsageSpecs.(%)

Polymer / Electronic grade

 Coating grade Chemical grade
Size (mesh) 600-2500 400 600 1250 100-600
BaSO4 ≥97 ≥96 ≥96 ≥96 ≥90
SiO2 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.5
Fe2O3 ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤1.0
Al2O3 ≤1.0 ≤1.0 ≤1.0 ≤1.0 ≤1.2
Water Soluble Salt ＜0.3 ＜0.3 ＜0.3 ＜0.3 ≤1.0
Density(g/cm3) ≥4.35 ≥4.2 ≥4.2 ≥4.2 ≥4.0
Whiteness ≥94 ≥92 ≥93 ≥94 ~

 

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